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The AspectJ matcher can be used for matching pointcuts independently of any AspectJ compilation or weaving steps. Most notably, this can be used by frameworks such as Spring AOP which utilise the @AspectJ pointcut syntax but implement aspect weaving in a way independent of AspectJ, e.g. using dynamic proxies.

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/* *******************************************************************
 * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *     PARC     initial implementation
 * ******************************************************************/
package org.aspectj.weaver;

import java.io.DataInputStream;
import java.io.IOException;

import org.aspectj.util.TypeSafeEnum;

public class MemberKind extends TypeSafeEnum {
	public MemberKind(String name, int key) {
		super(name, key);
	}

	public static MemberKind read(DataInputStream s) throws IOException {
		int key = s.readByte();
		switch (key) {
		case 1:
			return Member.METHOD;
		case 2:
			return Member.FIELD;
		case 3:
			return Member.CONSTRUCTOR;
		case 4:
			return Member.STATIC_INITIALIZATION;
		case 5:
			return Member.POINTCUT;
		case 6:
			return Member.ADVICE;
		case 7:
			return Member.HANDLER;
		case 8:
			return Member.MONITORENTER;
		case 9:
			return Member.MONITOREXIT;
		}
		throw new BCException("Unexpected memberkind, should be (1-9) but was " + key);
	}
}